Coweta Pwa
PWSID OK1021509 · Coweta, Oklahoma · serves 9,450 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 6.9 ppt | — | 10/28/2024 |
| PFHxS | 5.5 ppt | 10 ppt | 12/20/2023 |
| PFHxA | 4.2 ppt | — | 3/5/2024 |
| PFHxS | 4 ppt | 10 ppt | 3/5/2024 |
| PFHxA | 3.7 ppt | — | 12/20/2023 |
| PFPeA | 3.3 ppt | — | 12/20/2023 |
| PFHxA | 3.1 ppt | — | 8/16/2023 |
| PFPeA | 3 ppt | — | 3/5/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2025-10-01 | Lead and Copper Rule | MR | No | Unaddressed |
| 2025-07-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2025-07-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2025-07-01 | TTHM | MCL | Yes | Archived |
| 2025-07-01 | TTHM | MCL | Yes | Archived |
| 2025-06-30 | TTHM | MR | No | Resolved |
| 2025-06-30 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2025-04-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2025-04-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2025-04-01 | TTHM | MCL | Yes | Archived |
| 2025-04-01 | TTHM | MCL | Yes | Archived |
| 2025-01-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2025-01-01 | TTHM | MCL | Yes | Archived |
| 2025-01-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2025-01-01 | TTHM | MCL | Yes | Archived |
| 2024-12-30 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2024-12-30 | TTHM | MR | No | Resolved |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | TT | Yes | Resolved |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |
| 2024-10-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2024-10-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2024-10-01 | TTHM | MCL | Yes | Archived |
| 2024-10-01 | TTHM | MCL | Yes | Archived |
| 2024-08-01 | Surface Water Treatment Rule | TT | Yes | Archived |
| 2024-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2024-07-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2024-07-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2024-07-01 | TTHM | MCL | Yes | Archived |
| 2024-07-01 | TTHM | MCL | Yes | Archived |
| 2024-04-01 | TTHM | MCL | Yes | Archived |
| 2024-04-01 | TTHM | MCL | Yes | Archived |
| 2024-03-31 | TTHM | MR | No | Resolved |
| 2024-03-01 | Interim Enhanced Surface Water Treatment Rule | MR | No | Resolved |
| 2024-01-01 | TTHM | MCL | Yes | Archived |
| 2024-01-01 | TTHM | MCL | Yes | Archived |
| 2024-01-01 | Glyphosate | MR | No | Resolved |
| 2024-01-01 | Simazine | MR | No | Resolved |
| 2024-01-01 | Hexachlorocyclopentadiene | MR | No | Resolved |
| 2023-12-30 | TTHM | MR | No | Resolved |
| 2023-12-30 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2023-11-01 | Interim Enhanced Surface Water Treatment Rule | MR | No | Resolved |
| 2023-11-01 | Surface Water Treatment Rule | TT | Yes | Resolved |
| 2023-10-01 | Interim Enhanced Surface Water Treatment Rule | MR | No | Resolved |
| 2023-10-01 | TTHM | MCL | Yes | Archived |
| 2023-10-01 | TTHM | MCL | Yes | Archived |
| 2023-10-01 | Surface Water Treatment Rule | TT | Yes | Resolved |
| 2023-09-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2023-09-01 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | Resolved |
| 2023-07-01 | TTHM | MCL | Yes | Archived |
| 2023-07-01 | TTHM | MCL | Yes | Archived |
| 2023-07-01 | Chlorine | MR | No | Resolved |
| 2023-06-30 | TTHM | MR | No | Resolved |
| 2023-01-01 | Glyphosate | MR | No | Resolved |
| 2023-01-01 | Hexachlorocyclopentadiene | MR | No | Resolved |
| 2023-01-01 | 1,2,4-Trichlorobenzene | MR | No | Resolved |
| 2023-01-01 | cis-1,2-Dichloroethylene | MR | No | Resolved |
| 2023-01-01 | Xylenes, Total | MR | No | Resolved |
| 2023-01-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2023-01-01 | o-Dichlorobenzene | MR | No | Resolved |
| 2023-01-01 | p-Dichlorobenzene | MR | No | Resolved |
| 2023-01-01 | Vinyl chloride | MR | No | Resolved |
| 2023-01-01 | 1,1-Dichloroethylene | MR | No | Resolved |
| 2023-01-01 | trans-1,2-Dichloroethylene | MR | No | Resolved |
| 2023-01-01 | 1,2-Dichloroethane | MR | No | Resolved |
| 2023-01-01 | 1,1,1-Trichloroethane | MR | No | Resolved |
| 2023-01-01 | Carbon tetrachloride | MR | No | Resolved |
| 2023-01-01 | 1,2-Dichloropropane | MR | No | Resolved |
| 2023-01-01 | Trichloroethylene | MR | No | Resolved |
| 2023-01-01 | 1,1,2-Trichloroethane | MR | No | Resolved |
| 2023-01-01 | Tetrachloroethylene | MR | No | Resolved |
| 2023-01-01 | CHLOROBENZENE | MR | No | Resolved |
| 2023-01-01 | Benzene | MR | No | Resolved |
| 2023-01-01 | Toluene | MR | No | Resolved |
| 2023-01-01 | Ethylbenzene | MR | No | Resolved |
| 2023-01-01 | Styrene | MR | No | Resolved |